From 38de6d24e143c3aa5610b7fd236db2de1c7bd6cd Mon Sep 17 00:00:00 2001
From: Christos Panagiotakopoulos <chrispanag@gmail.com>
Date: Fri, 19 Mar 2021 13:30:12 +0200
Subject: [PATCH] Viber-adapter ongoing development

---
 packages/viber-adapter/lib/api/requests.ts    | 26 +++++++++++++++++++
 .../viber-adapter/lib/api/viberRequest.ts     | 20 ++++++++++++++
 packages/viber-adapter/lib/interfaces/api.ts  | 25 ++++++++++++++++++
 3 files changed, 71 insertions(+)
 create mode 100644 packages/viber-adapter/lib/api/requests.ts
 create mode 100644 packages/viber-adapter/lib/api/viberRequest.ts
 create mode 100644 packages/viber-adapter/lib/interfaces/api.ts

diff --git a/packages/viber-adapter/lib/api/requests.ts b/packages/viber-adapter/lib/api/requests.ts
new file mode 100644
index 0000000..ff4ec37
--- /dev/null
+++ b/packages/viber-adapter/lib/api/requests.ts
@@ -0,0 +1,26 @@
+import {
+    IViberSendMessageResult,
+    IViberSetWebhook,
+    IViberSetWebhookResult
+} from '../interfaces/api';
+import viberRequest from './viberRequest';
+
+export function setWebhook(webhookUrl: string, authToken: string): Promise<IViberSetWebhookResult> {
+    const body: IViberSetWebhook = {
+        url: webhookUrl
+    };
+    return viberRequest('set_webhook', body, authToken) as Promise<IViberSetWebhookResult>;
+}
+
+export function sendMessage(
+    receiver: string,
+    messageBody: Record<string, unknown>,
+    authToken: string
+): Promise<IViberSendMessageResult> {
+    const body = {
+        receiver,
+        ...messageBody
+    };
+
+    return viberRequest('send_message', body, authToken) as Promise<IViberSendMessageResult>;
+}
diff --git a/packages/viber-adapter/lib/api/viberRequest.ts b/packages/viber-adapter/lib/api/viberRequest.ts
new file mode 100644
index 0000000..4fe8a72
--- /dev/null
+++ b/packages/viber-adapter/lib/api/viberRequest.ts
@@ -0,0 +1,20 @@
+import fetch from 'node-fetch';
+
+const viberUrl = 'https://chatapi.viber.com/pa/';
+
+export default async function viberRequest(
+    path: string,
+    data: Record<string, any>,
+    authToken: string
+): Promise<any> {
+    const res = await fetch(viberUrl + path, {
+        method: 'POST',
+        body: JSON.stringify(data),
+        headers: {
+            'X-Viber-Auth-Token': authToken
+        }
+    });
+
+    const response = await res.json();
+    return response;
+}
diff --git a/packages/viber-adapter/lib/interfaces/api.ts b/packages/viber-adapter/lib/interfaces/api.ts
new file mode 100644
index 0000000..da3c6db
--- /dev/null
+++ b/packages/viber-adapter/lib/interfaces/api.ts
@@ -0,0 +1,25 @@
+import { EventType } from './webhook';
+
+export interface IViberSetWebhook {
+    url: string;
+    event_types?: EventType[];
+    send_name?: boolean;
+    send_photo?: boolean;
+}
+
+export interface IViberSetWebhookResult {
+    status: number;
+    status_message:
+        | 'ok'
+        | 'invalidUrl'
+        | 'invalidAuthToken'
+        | 'badData'
+        | 'missingData'
+        | 'failure';
+}
+
+export interface IViberSendMessageResult {
+    status: number;
+    status_message?: string;
+    message_token: string;
+}